function insert_Row()
{
console.log("insert_Row");
var x= document.getElementById('sampleTable').insertRow(0);
var y= x.insertCell(0);
var z= x.insertCell(1);
y.innerHTML="New Cell1";
z.innerHTML="New Cell2";

}
$(document).ready(function()
{
alert("document ready");	
$("#btnJq").click(function()
{
alert("clicked");
$("#sampleTable").html("rewrite"); 
});	
	
});